flight-path angle

例句：

1. 1.The aircraft's flight-path angle is crucial for navigation.
   飞机的飞行路径角度对于导航至关重要。
2. 2. The pilot adjusted the flight-path angle to avoid obstacles.
   飞行员调整了飞行路径角度以避免障碍物。
3. 3. The angle of the flight-path affects the speed and altitude of the aircraft.
   飞行路径的角度影响飞机的速度和高度。